Answer: The plane that divides the body into upper and lower halves is the transverse plane, also known as the horizontal plane or axial plane.
Step-by-step explanation:
a) Frontal Plane: The frontal plane divides the body into front and back portions, also known as anterior and posterior portions. It does not divide the body into upper and lower halves.
b) Sagittal Plane: The sagittal plane divides the body into left and right halves. It does not specifically divide the body into upper and lower halves.
c) Dorsal Plane: The term "dorsal" refers to the back side of the body. There is no specific plane called the dorsal plane that divides the body into upper and lower halves.
d) Ventral Plane: The term "ventral" refers to the front side of the body. There is no specific plane called the ventral plane that divides the body into upper and lower halves.
In summary, among the given options, none of them specifically divide the body into upper and lower halves. The plane that accomplishes this is the transverse plane, also known as the horizontal plane or axial plane.